I am currently using MapInfo and have several large Ordnance Survey datasets, which require updating. They are tiled .tiffs and need to first, be registered as .tab files. Second the .tab files need ...

I have some recent data that is at the Lower Super Output Area (LSOA) level for Greater Manchester. I wrongly assumed that the data was for the latest LSOA boundaries, i.e. for the 2011 boundaries.
...

I'm pretty sure I need to convert the coordinates in my GeoJson file to EPSG:3857 for them to play nicely with CartoDB, but I don't know what coordinate system they are currently in. The original data ...

Disclaimer, I'm fairly new to Open Layers, but I'm not new to JavaScript and/or Web Programming :-)
Sysnopsis
I have an open layers based html page, that I'm trying to use to render a WMS map served ...

I have large raster tile sets working well in QGIS (Ordnance Survey UK data). Sometimes I want to grey/fade these to make my data clearer to see. Attempting to access properties on QGIS for the VRT ...

I have a large amount of data records which have a postcode on them that I'm in the process of trying to visualise on an England map.
The first map view I'm doing is naturally regional view. This is ...

I'm trialling Ordnance Survey OpenSpace Pro WMS, and I have a basic map showing all the layers I'm going to be licensed for (free ones plus vector map local). This works fine, but I'd like to make the ...

I'm new to postGIS and am having trouble finding an answer to this question. I have loaded UK postcode data (OSGB36, SRID 27700 with eastings and northings fields) into a postGIS database. I now want ...

I´ve got the "OS Terrain 50" contours/spot-heights dataset.
I would like to output a series of maps with everything above 0m, 50m, 100m etc. from a region.
I know almost nothing about GIS, but have a ...

Using this site, we can see that the (approximate) centre of Southampton, UK has OSGB coordinates of 441847,112279. However, looking at the UK grid, where each large square is (500 km)2, then these ...

I have found several post saying it is possible in QGIS to export OS Boundary Line shp files to csv's containing the boundary line in lat/lng (for use on Google map) along with the name of the area, ...

I have downloaded the UK Ordinance Survey's 1km grids in shapefile format for ArcMap.
If you need to download them to have a look first you can find them here look for link in the first Answer to the ...

I have been searching for sources of GIS data specifications to assist with documenting a number of datasets that I'm currently working on. I'm used to looking at Ordnance Survey specifications, such ...

I have a confusing problem with a project generated in QGIS 1.8 when trying to open this on a new windows pc with Darfour (same OS, Win7) The hard drive including the project has been moved from old ...

I have the ordnance survey postcode polygons, i can get the centre point on the postcode (Using polygon centroids) and all the corner coordinates (using extract nodes)
Does anyone know how to export ...

I'm working on a web project that requires polygons and lat long coordinates for the boundares of towns, citys, countys and postcodes.
Does anyone know where i can obtain this data?
i know rightmove ...

I have got some OS rasters but there isn't georeferencing file (TFW) with them. When I try to load them, it will obviously load in the wrong place. They are loading fine in a different GIS software ...

In an answer to a question asked by @Canningmister, @tjmgis posted an excellent answer Styling OS Vectormap Local in QGIS? about making OS SLD files work in QGIS.
As an amateur user who uses QGIS to ...

I have developed and marketed an application that successfully uses a pre loaded tile cache of Open Street Map .png files for a small city area about 20km x20km to support the presentation of tourist ...

I am to map a plot of an area and then plot points over it (given by Easting and Northing). However, I found out that there are certain mistakes in the data entered for Easting and Northing resulting ...

I'm not sure if this forum is really the correct place to ask, but impertinence would lead me to believe that there may be some one on here that may know the answer.
I'm using the Ordnance Survey Open ...

I am currently in the process of creating a map with some administrative boundaries on it. The base map I am using is an ordnance survey map 1:10000. I downloaded an administrative border as a .kml ...

I am currently working alongside city council datasets derived from Ordnance Survey; this is projected in their ArcSDE system as "British National Grid" or EPSG:27700. My problem is that I am trying ...

Current Status: You can't use data derived from restricted licence OS data with Google Maps.
There's been an on-going question about whether it is legal to display data derived from Ordnance Survey ...

I'm currently using building data from the Ordnance Survey Vectormap District and I've noticed that a lot of building polygons are split in 2 because of the way the OS split up the shapefile.
This is ...

I am creating a PNG that is referenced to the OSGB36 datum (1 pixel per 50m easting/northing that is colored according to the result of some calculation code)
I want to display this on Google Earth ...